ESTIMATION OF ECONOMIC VALUES FOR PRODUCTION AND REPRODUCTION TRAITS OF AFSHARI SHEEP IN RURUL SYSTEM

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MOUSAZADEH L.; SHAD PARVAR A.A.A.; ESKANDARINASAB M.P.

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Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2012 | Volume:22 | Issue:2 Page(s): 35-44

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Title

ESTIMATION OF ECONOMIC VALUES FOR PRODUCTION AND REPRODUCTION TRAITS OF AFSHARI SHEEP IN RURUL SYSTEM

Author(s)

MOUSAZADEH L. | SHAD PARVAR A.A.A. | ESKANDARINASAB M.P. | Issue Writer Certificate

Keywords

ECONOMIC VALUEQ2

PRODUCTION TRAITSQ3

REPRODUCTION TRAITSQ2

AFSHARI SHEEPQ2

Abstract

In this research, ECONOMIC VALUE for PRODUCTION TRAITS and REPRODUCTION TRAITS of AFSHARI SHEEP were estimated using a deterministic bio-economic model. In production system of AFSHARI SHEEP, the variable costs comprised 99 % of total costs. Revenue sources consisted of meat, milk, wool and manure, where meat with 83.4 % of revenue had the highest effect. ECONOMIC VALUE for a trait as the change in profit of production system by increasing one unit in the trait avrage, while avrage of other traits were constant was estimated. After that, milk, wool production and ewe survival were followed. Birth weight had negative ECONOMIC VALUE. The sensitivity of ECONOMIC VALUE of various traits to ±10 % changes in feed, non- feed costs and also to meat, wool and milk prices were examined, and the results showed the ECONOMIC VALUEs of wool and milk productions were not sensitive to none of the costs. Also changes in the costs of rearing and marketing had no effect on the ECONOMIC VALUE for body weight in various ages of wool and milk production. By changing the price of meat, the ECONOMIC VALUEs of all traits except birth weight, wool and milk production were changed, by increasing the price of meat results to increases in the ECONOMIC VALUEs of those traits. Among various factors, meat price had the most effect on the ECONOMIC VALUE of traits.

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APA: Copy

MOUSAZADEH, L., SHAD PARVAR, A.A.A., & ESKANDARINASAB, M.P.. (2012). ESTIMATION OF ECONOMIC VALUES FOR PRODUCTION AND REPRODUCTION TRAITS OF AFSHARI SHEEP IN RURUL SYSTEM. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 22(2), 35-44. SID. https://sid.ir/paper/147579/en

Vancouver: Copy

MOUSAZADEH L., SHAD PARVAR A.A.A., ESKANDARINASAB M.P.. ESTIMATION OF ECONOMIC VALUES FOR PRODUCTION AND REPRODUCTION TRAITS OF AFSHARI SHEEP IN RURUL SYSTEM. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2012;22(2):35-44. Available from: https://sid.ir/paper/147579/en

IEEE: Copy

L. MOUSAZADEH, A.A.A. SHAD PARVAR, and M.P. ESKANDARINASAB, “ESTIMATION OF ECONOMIC VALUES FOR PRODUCTION AND REPRODUCTION TRAITS OF AFSHARI SHEEP IN RURUL SYSTEM,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 22, no. 2, pp. 35–44, 2012, [Online]. Available: https://sid.ir/paper/147579/en

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